X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fmap%2FMapState.cpp;h=26e20da4948bec91eb126e18fb3e585ae46e923b;hb=e42e6570cb7460a1794fdc674d875a2b798d4f43;hp=7f602a73ebf01c0d7f5ac338e2c22c30fc7d236a;hpb=a550d5e73bef77a8bb98a31034dcaad83a43677a;p=l2e.git

diff --git a/src/map/MapState.cpp b/src/map/MapState.cpp
index 7f602a7..26e20da 100644
--- a/src/map/MapState.cpp
+++ b/src/map/MapState.cpp
@@ -8,6 +8,7 @@
 #include "MapState.h"
 
 #include "Map.h"
+#include "Tile.h"
 #include "../app/Application.h"
 #include "../app/Input.h"
 
@@ -19,11 +20,14 @@ using geometry::Vector;
 
 namespace map {
 
-MapState::MapState(const Map *map)
+MapState::MapState(Map *map)
 : map(map)
 , controlled(0)
 , tempTarget(20, 20)
-, camera(100, 100, &tempTarget) {
+, camera(100, 100, &tempTarget)
+, walkingSpeed(64)
+, nextDirection(-1)
+, afterLock(false) {
 
 }
 
@@ -51,15 +55,162 @@ void MapState::Resize(int width, int height) {
 
 void MapState::HandleEvents(const Input &input) {
 	if (!controlled) return;
+
+	if (input.IsDown(Input::PAD_UP)) {
+		nextDirection = Entity::ORIENTATION_NORTH;
+	} else if (input.IsDown(Input::PAD_RIGHT)) {
+		nextDirection = Entity::ORIENTATION_EAST;
+	} else if (input.IsDown(Input::PAD_DOWN)) {
+		nextDirection = Entity::ORIENTATION_SOUTH;
+	} else if (input.IsDown(Input::PAD_LEFT)) {
+		nextDirection = Entity::ORIENTATION_WEST;
+	} else {
+		nextDirection = -1;
+	}
 }
 
 void MapState::UpdateWorld(float deltaT) {
+	if (controlled && controlled->TileLock(map->Tileset()->Size())) {
+		OnTileLock();
+	}
 	for (std::vector<Entity *>::iterator i(entities.begin()), end(entities.end()); i != end; ++i) {
 		(*i)->Update(deltaT);
 	}
 }
 
+void MapState::OnTileLock() {
+	if (moveTimer.Running() && !moveTimer.JustHit()) return;
+
+	Vector<int> nowLock(controlled->Position());
+	if (nowLock != lastLock) {
+		OnGridLock();
+		afterLock = true;
+		moveTimer.Clear();
+	} else if (moveTimer.JustHit()) {
+		OnGridLock();
+		afterLock = true;
+	}
+
+	// TODO: halt all activity if lock caused a state/map transition
+
+	if (nextDirection >= 0) {
+		const Tile &tile(map->TileAt(controlled->Position()));
+		bool blocked(false);
+		switch (nextDirection) {
+			case Entity::ORIENTATION_NORTH:
+				blocked = tile.BlocksNorth();
+				break;
+			case Entity::ORIENTATION_EAST:
+				blocked = tile.BlocksEast();
+				break;
+			case Entity::ORIENTATION_SOUTH:
+				blocked = tile.BlocksSouth();
+				break;
+			case Entity::ORIENTATION_WEST:
+				blocked = tile.BlocksWest();
+				break;
+		}
+		if (afterLock) {
+			OnMove(!blocked);
+			afterLock = false;
+		}
+		controlled->SetOrientation(Entity::Orientation(nextDirection));
+		if (!blocked) {
+			controlled->SetSpeed(walkingSpeed);
+			moveTimer.Clear();
+		} else {
+			controlled->SetSpeed(0.0f);
+			StopFollowers(*controlled);
+			if (!moveTimer.Running()) {
+				int tileSize((controlled->GetOrientation() % 2) ? map->Tileset()->Width() : map->Tileset()->Height());
+				moveTimer = PhysicsTimers().StartInterval(tileSize/walkingSpeed);
+			}
+		}
+		if (!controlled->AnimationRunning()) {
+			controlled->StartAnimation(*this);
+		}
+	} else {
+		controlled->SetSpeed(0.0f);
+		StopFollowers(*controlled);
+		controlled->StopAnimation();
+		moveTimer.Clear();
+	}
+
+	lastLock = nowLock;
+}
+
+void MapState::OnGridLock() {
+	LockEntities();
+	Trigger *trigger(map->TriggerAt(Vector<int>(controlled->Position())));
+	if (trigger) {
+		// TODO: run trigger
+	}
+	// TODO: check for adjacent monsters
+	// TODO: force all entities into their grid positions?
+}
+
+void MapState::LockEntities() {
+	for (std::vector<Entity *>::iterator i(entities.begin()), end(entities.end()); i != end; ++i) {
+		if (*i == controlled) {
+			// don't lock player
+			continue;
+		}
+		(*i)->Position().Lock(map->Tileset()->Size());
+	}
+}
+
+void MapState::OnMove(bool realMove) {
+	// TODO: evaluate monster movements
+	if (realMove) {
+		UpdateFollower(*controlled);
+	} else {
+		StopFollowers(*controlled);
+	}
+}
+
+void MapState::UpdateFollower(Entity &e) {
+	if (!e.Follower()) return;
+
+	Entity &f(*e.Follower());
+	UpdateFollower(f);
+
+	Vector<int> coords(map->TileCoordinates(e.Position()));
+	Vector<int> fCoords(map->TileCoordinates(f.Position()));
+	Vector<int> direction(coords - fCoords);
+
+	if (direction.Y() < 0) {
+		f.SetOrientation(Entity::ORIENTATION_NORTH);
+		f.SetSpeed(walkingSpeed);
+		f.StartAnimation(*this);
+	} else if (direction.X() > 0) {
+		f.SetOrientation(Entity::ORIENTATION_EAST);
+		f.SetSpeed(walkingSpeed);
+		f.StartAnimation(*this);
+	} else if (direction.Y() > 0) {
+		f.SetOrientation(Entity::ORIENTATION_SOUTH);
+		f.SetSpeed(walkingSpeed);
+		f.StartAnimation(*this);
+	} else if (direction.X() < 0) {
+		f.SetOrientation(Entity::ORIENTATION_WEST);
+		f.SetSpeed(walkingSpeed);
+		f.StartAnimation(*this);
+	} else {
+		f.SetSpeed(0.0f);
+		f.StopAnimation();
+	}
+}
+
+void MapState::StopFollowers(Entity &e) {
+	for (Entity *f(e.Follower()); f; f = f->Follower()) {
+		f->SetSpeed(0.0f);
+		f->StopAnimation();
+	}
+}
+
+
 void MapState::Render(SDL_Surface *screen) {
+	SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
+
 	Vector<int> offset(camera.CalculateOffset());
 	map->Render(screen, offset);